Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual COM3, Example 1 Modifying COM1 communication format

2. Programming Concepts

		Content
b7			0100(H4):	600
			0101(H5):	1200
			0110(H6):	2400
			0111(H7):	4800
			1000(H8):	9600
			1001(H9):	19200
			1010(HA):	38400
			1011(HB):	57600
			1100(HC):	115200
			1101(HD):	500000 (COM2 /
				COM3)
			1110(HE):	31250 (COM2 /
				COM3)
			1111(HF):	921000 (COM2 /
				COM3)
b8	Select start bit		0: None	1: D1124
b9	Select the 1st end bit		0: None	1: D1125
b10	Select the 2nd end bit		0: None	1: D1126
b11~b15	Undefined

Example 1: Modifying COM1 communication format

1.Add the below instructions on top of the program to modify the communication format of COM1. When PLC switches from STOP to RUN, the program will detect whether M1138 is ON in the first scan. If M1138 is ON, the program will modify the communication settings of COM1 according to the value set in D1036

2.Modify COM1 communication format to ASCII mode, 9600bps, 7 data bits, even parity, 1 stop bits (9600, 7, E, 1).

M1002

MOV

H86 D1036

SET

M1138

Example 2: Modiying COM2 communication format

1.Add the below instructions on top of the program to modify the communication format of COM2. When PLC switches from STOP to RUN, the program will detect whether M1120 is ON in the first scan. If M1120 is ON, the program will modify the communication settings of COM2 according to the value set in D1120

2.Modify COM2 communication format to ASCII mode, 9600bps, 7 data bits, even parity, 1 stop bits (9600, 7, E, 1)

.

M1002

MOV	H86	D1120
SET	M1120

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